<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<style type="text/css">
.container {
display:table;
	  width:950px;
	  margin:0 auto;
}

  #wrapper {

	  display:table;
	  height:900px;
  }
  
  aside {
	background-color:#666;
	width:200px;  
	display:table-cell;
  }
  
  #center {
	width:550px;
	display:table-cell;  
  }
  
  footer {
	  display:table-row;
	  background-color:#000;
  }
  
  header, nav {
	  display:table-row;
	  background-color:#666;
  }
  
  nav {
	background-color:#ccc;  
  }
  
</style>
</head>
<div class="container">
<header>pdkoidaijd</header>
<nav>pdkmdaim</nav>
<div id="wrapper">

  <aside>pmdopadpaomd</aside>
  <div id="center">adpkaopkda</div>
  <aside>poakdpasokdokad</aside>
  
</div>
<footer>pdwkmdmawopdm</footer>
</div>

<body>
</body>
</html>
